League ot Nation's course for foreign health officers, 1924.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: League ot Nation's course for foreign health officers, 1924. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: League ot Nation's course for foreign health officers, 1924. Wellcome Collection. Source: Wellcome Collection.